Fred I was more thinking about my next mount with more payload and they all have the same problem a gearbox between the motor and worm.
The G11 has a 25:1 gearbox between the servo and worm. You can have the best servo and encoder but it is meaningless if you have backlash in the gearbox and even worse random movements. The best worm will then also fail to perform to it's exquisite parameters.
Bert
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